/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

package org.onap.so.client;

import static org.apache.commons.lang3.StringUtils.isNotBlank;
import java.net.URL;
import java.util.Optional;
import javax.ws.rs.core.MultivaluedMap;
import org.javatuples.Pair;
import org.onap.logging.filter.base.ONAPComponentsList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class HttpClient extends RestClient {

    protected final Logger log = LoggerFactory.getLogger(HttpClient.class);
    private ONAPComponentsList targetEntity;

    HttpClient(URL host, String contentType, ONAPComponentsList targetEntity) {
        super(host, contentType);
        this.targetEntity = targetEntity;
    }

    HttpClient(URL host, String acceptType, String contentType, ONAPComponentsList targetEntity) {
        super(host, acceptType, contentType);
        this.targetEntity = targetEntity;
    }

    @Override
    public ONAPComponentsList getTargetEntity() {
        return targetEntity;
    }

    @Override
    protected void initializeHeaderMap(MultivaluedMap<String, Pair<String, String>> headerMap) {}

    @Override
    protected Optional<ResponseExceptionMapper> addResponseExceptionMapper() {
        return Optional.empty();
    }

    /**
     * Adds a basic authentication header to the request.
     * 
     * @param auth the encrypted credentials
     * @param key the key for decrypting the credentials
     */
    @Override
    public void addBasicAuthHeader(String auth, String key) {
        if (isNotBlank(auth) && isNotBlank(key)) {
            super.addBasicAuthHeader(auth, key);
        } else {
            log.warn("Not adding basic auth to headers.");
        }
    }

    /**
     * Adds an additional header to the header map
     * 
     * @param encoded basic auth value
     */
    public void addAdditionalHeader(String name, String value) {
        try {
            if (isNotBlank(name) && isNotBlank(value)) {
                headerMap.add("ALL", Pair.with(name, value));
            } else {
                log.warn("Not adding " + name + " to headers.");
            }
        } catch (Exception e) {
            logger.error(e.getMessage(), e);
        }
    }

    public void setAcceptType(String value) {
        try {
            if (isNotBlank(value)) {
                super.accept = value;
            } else {
                log.warn("Not adding accept to headers.");
            }
        } catch (Exception e) {
            logger.error(e.getMessage(), e);
        }
    }

}